Senior IT Network & Infrastructure Engineer

Senior IT Network & Infrastructure Engineer

Full-Time 45000 - 48000 £ / year (est.) No working from home possible
Sivara GmbH

At a Glance

  • Tasks: Design, implement, and maintain enterprise-level network architecture across diverse environments.
  • Company: Join a forward-thinking organisation in Pembrokeshire with a modern, tech-driven culture.
  • Benefits: Competitive salary, hands-on experience, and opportunities for professional growth.
  • Other info: Work in a state-of-the-art facility with a growing team and excellent career prospects.
  • Why this job: Take ownership of a secure, high-availability network and make a real impact.
  • Qualifications: Proven experience in network design, security, and familiarity with virtualisation technologies.

The predicted salary is between 45000 - 48000 £ per year.

Requirements

  • Proven experience designing and managing large-scale enterprise networks.
  • Strong understanding of routing and core protocols, including TCP/IP, DNS, DHCP, and NFS.
  • Solid experience in network security, including firewalls, VPNs, and encryption standards.
  • Hands-on experience with virtualisation platforms such as VMware vSphere.
  • Familiarity with containerisation technologies is an advantage.
  • Good knowledge of Windows Server environments.
  • Certifications such as CCNP, CCIE, JNCIP, or equivalent are preferred.
  • Experience working within structured IT environments, with ITIL knowledge beneficial.
  • Proactive, solutions-focused approach and strong communication skills.

Responsibilities

  • Design, implement, and maintain enterprise-level network architecture across LAN, WAN, WLAN, and VPN environments.
  • Ensure high availability, performance, and scalability of network services.
  • Troubleshoot and resolve complex network issues across multiple environments.
  • Configure and manage routers, switches, firewalls, and load balancers.
  • Lead network upgrades, migrations, and infrastructure improvement projects.
  • Implement secure remote access solutions, including VPN, IPsec, SSL/TLS, and SSH.
  • Enforce network security best practices, including firewall rules, IDS/IPS, encryption, and PKI.
  • Monitor network performance, capacity, and security using appropriate tools.
  • Support disaster recovery and business continuity planning.
  • Manage patching, updates, and configuration backups.
  • Produce clear documentation for network configurations and disaster recovery procedures.
  • Provide technical guidance and mentoring to junior engineers.
  • Participate in on-call support and incident response when required.

Technologies

  • Firewall
  • Support
  • ITIL
  • LAN
  • Network
  • NFS
  • Security
  • TCP/IP
  • VPN
  • VMware
  • WLAN
  • Windows
  • DevOps

We are supporting a forward-thinking organisation in Pembrokeshire as they look to hire a Senior IT Network & Infrastructure Engineer to take ownership of their enterprise network environment. This is a hands-on, senior technical role where we would design, build, and optimise a modern, secure, high-availability network across a large and diverse infrastructure. We offer the opportunity to join a growing team at a state-of-the-art facility, working within a modern, technology-driven organisation. This is an on-site role based at our well-equipped facility in Pembrokeshire.

Senior IT Network & Infrastructure Engineer employer: Sivara GmbH

Join a forward-thinking organisation in Pembrokeshire as a Senior IT Network & Infrastructure Engineer, where you will have the opportunity to design and optimise a modern, secure network within a state-of-the-art facility. We pride ourselves on fostering a collaborative work culture that encourages innovation and professional growth, offering competitive salaries and benefits, as well as opportunities for mentorship and career advancement. Experience the unique advantage of working in a technology-driven environment that values your expertise and contributions.

Sivara GmbH

Contact Details:

Sivara GmbH Recruitment Team

We think you need these skills to ace Senior IT Network & Infrastructure Engineer

Network Design
Routing Protocols
TCP/IP
DNS
DHCP
NFS
Network Security